Fact Sheet 104-99
By E. Randall Bayless, Leslie D. Arihood, William C. Sidle, and Noel B. Pavlovic
IntroductionWetlands recently have received political and scientific attention because of their known benefit to the environment. For example, wetlands decrease the effects of flooding by storing large quantities of water in porous streambank sediments and low-lying areas. Extensive flooding in some areas of the United States has been attributed in part to the loss of wetlands (Fretwell and others, 1996). Wetlands also have been shown to improve water quality by filtering out fertilizers and pesticides. The organicrich sediments of wetlands, produced by decaying plant mass, attract and bind other contaminants as well; many communities nationwide are constructing wetlands to enhance sewage-treatment systems. As part of a U.S. Environmental Protection Agency Ecosystem Restoration Initiative grant, a joint U.S. Geological Survey (USGS)/U.S. Environmental Protection Agency (USEPA) study is looking at the hydrology of a natural wetland (the LaSalle Fish and Wildlife Area) and a restored wetland (the Grand Kankakee Marsh County Park) (fig. 1). Project investigators are examining and comparing the relations between hydrology and vegetation in the natural and restored wetlands while testing innovative methods to identify the analytical tools best suited for evaluating the success of wetland restoration. |
For additional information contact: U.S. Geological Survey Website Part or all of this report is presented in Portable Document Format (PDF); the latest version of Adobe Reader or similar software is required to view it. Download the latest version of Adobe Reader, free of charge. |